A bag contains 21 toys numbered 1 to 21. A toy is drawn and then another toy is drawn without replacement.<br> Fin…

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket draw…

Which of the following is not the property of binomial distribution

In a simultaneous throw of two dice, what is the probability of getting a total of 10 or 11?

A speaks truth in 75% of cases and B in 80% of cases. In what percent of cases are they likely to contradict each other …

In a throw of dice what is the probability of getting number greater than 5

In special rule of addition of probability, the events are always

A box contains 4 red, 5 green and 6 white balls. A ball is drawn at random from the box. What is the probability that th…